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VERSION:2.0
METHOD:PUBLISH
BEGIN:VEVENT
ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 17a
SUMMARY:Density, surface tension and viscosity of a silicate-rich slag derived by aerodynamic levitation
DESCRIPTION:Density, surface tension and viscosity of the slag are key properties in steel refining. The accurate measurement of these properties is required for better process control of metallurgical operations. Aerodynamic levitation was employed to derive density, surface tension and viscosity of CaO-SiO2 and CaO-SiO2-Fe2O3 slags under contactless conditions. The levitation experiment was carried out under mixture of argon (80%) and oxygen (20%) gas atmosphere in the temperature range between 800 °C and 2000 °C for the density and 1500 °C and 2000 °C for surface tension and viscosity measurements. The quenched slag samples were analysed by Raman spectroscopy to provide information on the anionic structure of the silicate slag. It was observed that the addition of Fe2O3 to the silicate did not affect surface tension, while it influenced the density due to the reduction of non-bridging oxygens and viscosity due to the increase in the polymerization degree, especially for high silica-containing slag.


CLASS:PUBLIC
DTSTART:20230614T100000
DTEND:20230614T102000
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